Whale skeletal bone double block and mahogany and oak single block with whale skeletal bone sheave. 2 3/4″ L (double block), 4 1/4″ L (single block).
Whalebone Scrimshaw Blocks by Unknown Artist, 19th Century
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Whale skeletal bone double block and mahogany and oak single block with whale skeletal bone sheave. 2 3/4″ L (double block), 4 1/4″ L (single block).